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Entities allowed before slashes on a protocol relative URL

You can place whitespace before slashes, this vector finds out what entities you can place before them.

Shazzer Master

Created byhackvertor

Created Jul 6, 2024

Updated Sep 5, 2026

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CategoryEntity Parsing

VisibilityPublic

TypeJS

CharsetUTF-8

$[data1] placeholderhtml_entities

Code used before fuzz:

const div = document.createElement('div')

Template used:

div.innerHTML='<a href="$[data1]//example.com">';
if(div.querySelector('a').host === 'example.com') {
   log('$[data1]');
}

Sample payloads

div.innerHTML='<a href="&bsol;//example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&bsol;');
}

div.innerHTML='<a href="&NewLine;//example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&NewLine;');
}

div.innerHTML='<a href="&sol;//example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&sol;');
}

div.innerHTML='<a href="&Tab;//example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&Tab;');
}